From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 427E3C3DA78 for ; Tue, 17 Jan 2023 10:17:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236575AbjAQKRy (ORCPT ); Tue, 17 Jan 2023 05:17:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236731AbjAQKRd (ORCPT ); Tue, 17 Jan 2023 05:17:33 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7404E18B27; Tue, 17 Jan 2023 02:17:01 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E6CB5B8126A; Tue, 17 Jan 2023 10:16:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A813C433F0; Tue, 17 Jan 2023 10:16:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673950618; bh=tFX5ZU4Q5D44JoBgXvWOpc5HjwCKpEkVT0aIsph/94I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CGq/0peZJuO0PlmuiKT7p95kDn9/Q8KunfPZinkS8P6aiPxwgrze0A5/Mf9FLbPFJ j3zaYr0wmvckJIaetjZQAM4PRWTws/fxtIICKL7xyvTRzj6sJEtBm7Fp+ucmcFAe5w 29U+xMhJdDCu25cm1sEslBfB443WB+oB/EwD7wxo= Date: Tue, 17 Jan 2023 11:16:56 +0100 From: Greg Kroah-Hartman To: Guenter Roeck Cc: stable@vger.kernel.org, patches@lists.linux.dev, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de Subject: Re: [PATCH 5.4 000/658] 5.4.229-rc1 review Message-ID: References: <20230116154909.645460653@linuxfoundation.org> <20230116202025.GA3397667@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 17, 2023 at 10:44:03AM +0100, Greg Kroah-Hartman wrote: > On Mon, Jan 16, 2023 at 12:20:25PM -0800, Guenter Roeck wrote: > > Runtime: > > > > Building ppc64:pseries:pseries_defconfig:smp2:net,pcnet:initrd ... running ......R... failed (crashed) > > > > BUG: Kernel NULL pointer dereference at 0x00000000 > > Faulting instruction address: 0xc000000000046cc8 > > Oops: Kernel access of bad area, sig: 11 [#1] > > BE SMP NR_CPUS=2048 NUMA pSeries > > Modules linked in: > > CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.270-rc1-00522-gc75d2b5524ab #1 > > NIP: c000000000046cc8 LR: c000000000046ca4 CTR: 0000000000000000 > > REGS: c00000003e6878f0 TRAP: 0380 Not tainted (4.19.270-rc1-00522-gc75d2b5524ab) > > MSR: 8000000002009032 CR: 84000882 XER: 00000000 > > CFAR: c000000000162cf8 IRQMASK: 0 > > GPR00: c000000000046ca4 c00000003e687b70 c000000001772000 0000000000000000 > > GPR04: 0000000000000001 0000000000000001 c00000003e687990 00000000bc24d52c > > GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000003 > > GPR12: 0000000024000882 c00000003ffff300 c000000000010e34 0000000000000000 > > GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > GPR20: 0000000000000000 0000000000000000 c00000000125eea8 0000000000000001 > > GPR24: c000000001379cd8 c000000001419f20 c0000000017b7d68 c0000000017b7d68 > > GPR28: 0000000000000000 0000000000000002 c00000000160efe8 c00000000168ac60 > > NIP [c000000000046cc8] .eeh_init+0x48/0x220 > > LR [c000000000046ca4] .eeh_init+0x24/0x220 > > Call Trace: > > [c00000003e687b70] [c000000000046ca4] .eeh_init+0x24/0x220 (unreliable) > > [c00000003e687c00] [c00000000001065c] .do_one_initcall+0x7c/0x430 > > [c00000003e687ce0] [c000000001394db4] .kernel_init_freeable+0x538/0x62c > > [c00000003e687dc0] [c000000000010e4c] .kernel_init+0x18/0x14c > > [c00000003e687e30] [c00000000000c0d0] .ret_from_kernel_thread+0x58/0x68 > > Instruction dump: > > 3c62ffd7 38631c10 4811c021 60000000 2c030000 408201c8 3d22000b e92904e0 > > 2c290000 41820198 f8410028 e9290008 7d4903a6 e8490008 4e800421 > > ---[ end trace 8912d02d3e80c4ae ]--- > > This is odd, and I don't know how to track that down. Any hints? Let me pull out some powerpc patches that are in this area and push out a -rc2 to see if that resolves the issue. thanks, greg k-h